【47 Prefectures & Tap Water Awareness Survey】Tottori & Yamanashi Rank 1st for Delicious Tap Water, Okinawa Ranks 1st for Safety Concerns
NQ Score
86/100
N1 Content Completeness
85
AI Summary (NQ-processed)
A BRITA Japan survey revealed significant differences in people's perception of tap water's taste and safety across Japan's 47 prefectures. With mandatory PFAS testing starting April 2026, nearly half of respondents are concerned about safety but still drink tap water as is. BRITA is promoting its PFAS-removing pitcher filters.